1 files changed, 82 insertions, 0 deletions
diff --git a/altosuilib/AltosSiteMapImage.java b/altosuilib/AltosSiteMapImage.java
new file mode 100644
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+++ b/altosuilib/AltosSiteMapImage.java
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+/*
+ * Copyright © 2014 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altosuilib_2;
+
+import java.awt.*;
+import java.awt.image.*;
+import javax.imageio.ImageIO;
+import javax.swing.*;
+import java.io.*;
+import org.altusmetrum.altoslib_4.*;
+
+public class AltosSiteMapImage {
+	AltosSiteMapTile	tile;
+	File			file;
+	BufferedImage		image;
+	int			width;
+	int			height;
+	long			used;
+
+	Thread	load_thread;
+
+	public boolean validate() {
+		if (image != null) {
+			AltosSiteMap.debug_component(tile, "valid");
+			return true;
+		} else {
+			AltosSiteMap.debug_component(tile, "loading");
+			load_thread = new Thread() {
+					public void run() {
+						image = null;
+						try {
+							image = ImageIO.read(file);
+						} catch (Exception e) {
+						}
+						SwingUtilities.invokeLater( new Runnable() {
+								public void run() {
+									AltosSiteMap.debug_component(tile, "later");
+									Graphics2D g2d = (Graphics2D) tile.getGraphics();
+									tile.paint_graphics(g2d, image);
+									load_thread = null;
+								}
+							});
+					}
+				};
+			load_thread.start();
+			return false;
+		}
+	}
+
+	public void flush() {
+		if (load_thread == null) {
+			AltosSiteMap.debug_component(tile, "flush");
+			image.flush();
+			image = null;
+		}
+	}
+
+	public AltosSiteMapImage (AltosSiteMapTile tile, File file, int w, int h) throws IOException {
+		this.tile = tile;
+		this.file = file;
+		width = w;
+		height = h;
+		image = null;
+		used = 0;
+	}
+}
+